TABLE 2-6 A Sample of 200 Students at a Big-Ten University Was

question 27

Multiple Choice

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

-Referring to Table 2-6, if the sample is a good representation of the population, we can expect ________ percent of those who did poorly on the midterm to have spent the weekend studying.

• A) 10
• B) 22.22
• C) 45
• D) 50

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Definitions:

Reaction

A process in which substances interact to form new substances with different properties.

Transformation

The process of changing the structure or properties of a molecule, often used in context with chemical transformations.

Reagents

Materials or chemicals introduced into a system to initiate a chemical reaction or to check for the presence of a reaction.

Transformation

A thorough or dramatic change in form or appearance; in biology, it refers to the genetic alteration of a cell by the introduction of DNA from an external source.